Panasonic TC 42P1F - Manual (Page 30)

Troubleshooting
Before you call for service, determine the symptoms and make a few simple checks as shown below.
Symptoms
Picture Sound
Checks
Interference Noisy Sound
Electrical Appliances
Cars/Motorcycles
Fluorescent light
Normal Picture No Sound
Volume
{Check whether the mute function has been
activated on the Remote Control.)
No Picture
1^
No Sound
Not plugged into AC outlet
Not switched on
Contrast and BrightnessA^olume setting
(Check by pushing the Power Switch or
Stand-by Button on the Remote Control.)
No Picture Normal Sound
If a signal with a non-applicable colour
system, format or frequency is input, only the
input terminal indication is displayed.
No Colour Normal Sound
Colour controls set at minimum level.
Colour System (Refer to page 27)
\ \ \ V \ M ] f I { / / / / y
JTT
Image too bright
I?
Normal Sound
A video signal has been connected to the
AV output terminal by mistake.
The input becomes high impedance, and the
image becomes too bright. Connect video
signals to the video input terminal.
Plasma Display panel
Symptoms Checks
Some parts of the screen do not
light up
The plasma display panel is manufactured using an extremely high level of
precision technology, however sometimes some parts of the screen may be
missing picture elements or have luminous spots. This is not a sign of a
malfunction.
1
Afterimages appear
!f still video images or computer images are displayed for long periods of time, an
afterimage may appear, in such cases, display an image which has some degree
of movement in it to reduce having afterimages appear.
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